schwit1 writes with a report on just how extensive always-on license plate logging has gotten. The article focuses on California; how different is your state? "In San Diego, 13 federal and local law enforcement agencies have compiled more than 36 million license-plate scans in a regional database since 2010 with the help of federal homeland security grants. The San Diego Association of Governments maintains the database. Unlike the Northern California database, which retains the data for between one and two years, the San Diego system retains license-plate information indefinitely. Can we get plate with code to delete the database?"